How can relative location change over time?

Which ofbthe following is a characteristic shared by both brazil and mexico

What first caused people to consider that the continents were once one large landmass?

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place